The  origin of species
By: by Charles Darwin ; a variorum text edited by Morse Peckham.
Contributors: Peckham, Morse
Publisher: University of Pennsylvania Press
Published: 1959
Place of publication: Philadelphia
Language: eng
Number of pages: 816
Subjects: Evolution (Biology); Natural selection.
Notes: With a reproduction of the t.p. of the original ed. published in 1859 under title: On the origin of species by means of natural selection.

Includes bibliographical references.